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wc90.c
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C/C++ Source or Header
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2000-05-04
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15KB
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455 lines
/*
World Cup 90 ( Tecmo ) driver
-----------------------------
Ernesto Corvi
(ernesto@imagina.com)
TODO:
- ROM ic82_06.bin (ADPCM) is not used
- The second YM2203 starts outputting static after a few seconds.
- Dip switches mapping is not complete. ( Anyone has the manual handy? )
CPU #1 : Handles background & foreground tiles, controllers, dipswitches.
CPU #2 : Handles sprites and palette
CPU #3 : Audio.
Memory Layout:
CPU #1
0000-8000 ROM
8000-9000 RAM
a000-a800 Color Ram for background #1 tiles
a800-b000 Video Ram for background #1 tiles
c000-c800 Color Ram for background #2 tiles
c800-c000 Video Ram for background #2 tiles
e000-e800 Color Ram for foreground tiles
e800-f000 Video Ram for foreground tiles
f800-fc00 Common Ram with CPU #2
fc00-fc00 Stick 1 input port
fc02-fc02 Stick 2 input port
fc05-fc05 Start buttons and Coins input port
fc06-fc06 Dip Switch A
fc07-fc07 Dip Switch B
CPU #2
0000-c000 ROM
c000-d000 RAM
d000-d800 RAM Sprite Ram
e000-e800 RAM Palette Ram
f800-fc00 Common Ram with CPU #1
CPU #3
0000-0xc000 ROM
???????????
*/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/z80/z80.h"
extern unsigned char *wc90_shared;
extern unsigned char *wc90_tile_colorram, *wc90_tile_videoram;
extern unsigned char *wc90_tile_colorram2, *wc90_tile_videoram2;
extern unsigned char *wc90_scroll0xlo, *wc90_scroll0xhi;
extern unsigned char *wc90_scroll1xlo, *wc90_scroll1xhi;
extern unsigned char *wc90_scroll2xlo, *wc90_scroll2xhi;
extern unsigned char *wc90_scroll0ylo, *wc90_scroll0yhi;
extern unsigned char *wc90_scroll1ylo, *wc90_scroll1yhi;
extern unsigned char *wc90_scroll2ylo, *wc90_scroll2yhi;
extern size_t wc90_tile_videoram_size;
extern size_t wc90_tile_videoram_size2;
int wc90_vh_start( void );
void wc90_vh_stop( void );
READ_HANDLER( wc90_tile_videoram_r );
WRITE_HANDLER( wc90_tile_videoram_w );
READ_HANDLER( wc90_tile_colorram_r );
WRITE_HANDLER( wc90_tile_colorram_w );
READ_HANDLER( wc90_tile_videoram2_r );
WRITE_HANDLER( wc90_tile_videoram2_w );
READ_HANDLER( wc90_tile_colorram2_r );
WRITE_HANDLER( wc90_tile_colorram2_w );
READ_HANDLER( wc90_shared_r );
WRITE_HANDLER( wc90_shared_w );
void wc90_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static WRITE_HANDLER( wc90_bankswitch_w )
{
int bankaddress;
unsigned char *RAM = memory_region(REGION_CPU1);
bankaddress = 0x10000 + ( ( data & 0xf8 ) << 8 );
cpu_setbank( 1,&RAM[bankaddress] );
}
static WRITE_HANDLER( wc90_bankswitch1_w )
{
int bankaddress;
unsigned char *RAM = memory_region(REGION_CPU2);
bankaddress = 0x10000 + ( ( data & 0xf8 ) << 8 );
cpu_setbank( 2,&RAM[bankaddress] );
}
static WRITE_HANDLER( wc90_sound_command_w )
{
soundlatch_w(offset,data);
cpu_cause_interrupt(2,Z80_NMI_INT);
}
static struct MemoryReadAddress wc90_readmem1[] =
{
{ 0x0000, 0x7fff, MRA_ROM },
{ 0x8000, 0x9fff, MRA_RAM }, /* Main RAM */
{ 0xa000, 0xa7ff, wc90_tile_colorram_r }, /* bg 1 color ram */
{ 0xa800, 0xafff, wc90_tile_videoram_r }, /* bg 1 tile ram */
{ 0xb000, 0xbfff, MRA_RAM },
{ 0xc000, 0xc7ff, wc90_tile_colorram2_r }, /* bg 2 color ram */
{ 0xc800, 0xcfff, wc90_tile_videoram2_r }, /* bg 2 tile ram */
{ 0xd000, 0xdfff, MRA_RAM },
{ 0xe000, 0xe7ff, colorram_r }, /* fg color ram */
{ 0xe800, 0xefff, videoram_r }, /* fg tile ram */
{ 0xf000, 0xf7ff, MRA_BANK1 },
{ 0xf800, 0xfbff, wc90_shared_r },
{ 0xfc00, 0xfc00, input_port_0_r }, /* Stick 1 */
{ 0xfc02, 0xfc02, input_port_1_r }, /* Stick 2 */
{ 0xfc05, 0xfc05, input_port_4_r }, /* Start & Coin */
{ 0xfc06, 0xfc06, input_port_2_r }, /* DIP Switch A */
{ 0xfc07, 0xfc07, input_port_3_r }, /* DIP Switch B */
{ -1 } /* end of table */
};
static struct MemoryReadAddress wc90_readmem2[] =
{
{ 0x0000, 0xbfff, MRA_ROM },
{ 0xc000, 0xcfff, MRA_RAM },
{ 0xd000, 0xd7ff, MRA_RAM },
{ 0xd800, 0xdfff, MRA_RAM },
{ 0xe000, 0xe7ff, MRA_RAM },
{ 0xf000, 0xf7ff, MRA_BANK2 },
{ 0xf800, 0xfbff, wc90_shared_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress wc90_writemem1[] =
{
{ 0x0000, 0x7fff, MWA_ROM },
{ 0x8000, 0x9fff, MWA_RAM },
{ 0xa000, 0xa7ff, wc90_tile_colorram_w, &wc90_tile_colorram },
{ 0xa800, 0xafff, wc90_tile_videoram_w, &wc90_tile_videoram, &wc90_tile_videoram_size },
{ 0xb000, 0xbfff, MWA_RAM },
{ 0xc000, 0xc7ff, wc90_tile_colorram2_w, &wc90_tile_colorram2 },
{ 0xc800, 0xcfff, wc90_tile_videoram2_w, &wc90_tile_videoram2, &wc90_tile_videoram_size2 },
{ 0xd000, 0xdfff, MWA_RAM },
{ 0xe000, 0xe7ff, colorram_w, &colorram },
{ 0xe800, 0xefff, videoram_w, &videoram, &videoram_size },
{ 0xf000, 0xf7ff, MWA_ROM },
{ 0xf800, 0xfbff, wc90_shared_w, &wc90_shared },
{ 0xfc02, 0xfc02, MWA_RAM, &wc90_scroll0ylo },
{ 0xfc03, 0xfc03, MWA_RAM, &wc90_scroll0yhi },
{ 0xfc06, 0xfc06, MWA_RAM, &wc90_scroll0xlo },
{ 0xfc07, 0xfc07, MWA_RAM, &wc90_scroll0xhi },
{ 0xfc22, 0xfc22, MWA_RAM, &wc90_scroll1ylo },
{ 0xfc23, 0xfc23, MWA_RAM, &wc90_scroll1yhi },
{ 0xfc26, 0xfc26, MWA_RAM, &wc90_scroll1xlo },
{ 0xfc27, 0xfc27, MWA_RAM, &wc90_scroll1xhi },
{ 0xfc42, 0xfc42, MWA_RAM, &wc90_scroll2ylo },
{ 0xfc43, 0xfc43, MWA_RAM, &wc90_scroll2yhi },
{ 0xfc46, 0xfc46, MWA_RAM, &wc90_scroll2xlo },
{ 0xfc47, 0xfc47, MWA_RAM, &wc90_scroll2xhi },
{ 0xfcc0, 0xfcc0, wc90_sound_command_w },
{ 0xfcd0, 0xfcd0, MWA_NOP }, /* ??? */
{ 0xfce0, 0xfce0, wc90_bankswitch_w },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress wc90_writemem2[] =
{
{ 0x0000, 0xbfff, MWA_ROM },
{ 0xc000, 0xcfff, MWA_RAM },
{ 0xd000, 0xd7ff, MWA_RAM, &spriteram, &spriteram_size },
{ 0xd800, 0xdfff, MWA_RAM },
{ 0xe000, 0xe7ff, paletteram_xxxxBBBBRRRRGGGG_swap_w, &paletteram },
{ 0xf000, 0xf7ff, MWA_ROM },
{ 0xf800, 0xfbff, wc90_shared_w },
{ 0xfc00, 0xfc00, wc90_bankswitch1_w },
{ 0xfc01, 0xfc01, MWA_NOP }, /* ??? */
{ -1 } /* end of table */
};
static struct MemoryReadAddress sound_readmem[] =
{
{ 0x0000, 0xbfff, MRA_ROM },
{ 0xf000, 0xf7ff, MRA_RAM },
{ 0xf800, 0xf800, YM2203_status_port_0_r },
{ 0xf801, 0xf801, YM2203_read_port_0_r },
{ 0xf802, 0xf802, YM2203_status_port_1_r },
{ 0xf803, 0xf803, YM2203_read_port_1_r },
{ 0xfc00, 0xfc00, MRA_NOP }, /* ??? adpcm ??? */
{ 0xfc10, 0xfc10, soundlatch_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress sound_writemem[] =
{
{ 0x0000, 0xbfff, MWA_ROM },
{ 0xf000, 0xf7ff, MWA_RAM },
{ 0xf800, 0xf800, YM2203_control_port_0_w },
{ 0xf801, 0xf801, YM2203_write_port_0_w },
{ 0xf802, 0xf802, YM2203_control_port_1_w },
{ 0xf803, 0xf803, YM2203_write_port_1_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( wc90 )
PORT_START /* IN0 bit 0-5 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* IN1 bit 0-5 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* DSWA */
PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, "10 Coins/1 Credit" )
PORT_DIPSETTING( 0x08, DEF_STR( 9C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 8C_1C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 7C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 6C_1C ) )
PORT_DIPSETTING( 0x0a, DEF_STR( 5C_1C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x0e, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x09, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x07, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x0b, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x0d, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) )
PORT_DIPNAME( 0x30, 0x30, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x30, "Easy" )
PORT_DIPSETTING( 0x10, "Normal" )
PORT_DIPSETTING( 0x20, "Hard" )
PORT_DIPSETTING( 0x00, "Hardest" )
PORT_DIPNAME( 0x40, 0x40, "Countdown Speed" )
PORT_DIPSETTING( 0x40, "Normal" )
PORT_DIPSETTING( 0x00, "Fast" )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START /* DSWB */
PORT_DIPNAME( 0x03, 0x03, "1 Player Game Time" )
PORT_DIPSETTING( 0x01, "1:00" )
PORT_DIPSETTING( 0x02, "1:30" )
PORT_DIPSETTING( 0x03, "2:00" )
PORT_DIPSETTING( 0x00, "2:30" )
PORT_DIPNAME( 0x1c, 0x1c, "2 Players Game Time" )
PORT_DIPSETTING( 0x0c, "1:00" )
PORT_DIPSETTING( 0x14, "1:30" )
PORT_DIPSETTING( 0x04, "2:00" )
PORT_DIPSETTING( 0x18, "2:30" )
PORT_DIPSETTING( 0x1c, "3:00" )
PORT_DIPSETTING( 0x08, "3:30" )
PORT_DIPSETTING( 0x10, "4:00" )
PORT_DIPSETTING( 0x00, "5:00" )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, "Language" )
PORT_DIPSETTING( 0x00, "English" )
PORT_DIPSETTING( 0x80, "Japanese" )
PORT_START /* IN2 bit 0-3 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8*8 characters */
2048, /* 1024 characters */
4, /* 8 bits per pixel */
{ 0, 1, 2, 3 }, /* the bitplanes are packed in one nibble */
{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
32*8 /* every char takes 32 consecutive bytes */
};
static struct GfxLayout tilelayout =
{
16,16, /* 16*16 sprites */
2048, /* 2048 tiles */
4, /* 4 bits per pixel */
{ 0, 1, 2, 3 }, /* the bitplanes are packed in one nibble */
{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4,
32*8+0*4, 32*8+1*4, 32*8+2*4, 32*8+3*4, 32*8+4*4, 32*8+5*4, 32*8+6*4, 32*8+7*4 },
{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32,
16*32, 17*32, 18*32, 19*32, 20*32, 21*32, 22*32, 23*32 },
128*8 /* every sprite takes 128 consecutive bytes */
};
static struct GfxLayout spritelayout =
{
16,16, /* 16*16 sprites */
4096, /* 1024 sprites */
4, /* 4 bits per pixel */
{ 0, 1, 2, 3 }, /* the bitplanes are packed in one nibble */
{ 0*4, 1*4, 1024*256*8+0*4, 1024*256*8+1*4, 2*4, 3*4, 1024*256*8+2*4, 1024*256*8+3*4,
16*8+0*4, 16*8+1*4, 1024*256*8+16*8+0*4, 1024*256*8+16*8+1*4, 16*8+2*4, 16*8+3*4, 1024*256*8+16*8+2*4, 1024*256*8+16*8+3*4 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
16*16, 17*16, 18*16, 19*16, 20*16, 21*16, 22*16, 23*16 },
64*8 /* every sprite takes 128 consecutive bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0x00000, &charlayout, 1*16*16, 16*16 },
{ REGION_GFX2, 0x00000, &tilelayout, 2*16*16, 16*16 },
{ REGION_GFX3, 0x00000, &tilelayout, 3*16*16, 16*16 },
{ REGION_GFX4, 0x00000, &spritelayout, 0*16*16, 16*16 }, // sprites
{ -1 } /* end of array */
};
/* handler called by the 2203 emulator when the internal timers cause an IRQ */
static void irqhandler(int irq)
{
cpu_set_irq_line(2,0,irq ? ASSERT_LINE : CLEAR_LINE);
}
static struct YM2203interface ym2203_interface =
{
2, /* 2 chips */
6000000, /* 6 MHz ????? seems awfully fast, I don't even know if the */
/* YM2203 can go at that speed */
{ YM2203_VOL(25,25), YM2203_VOL(25,25) },
{ 0 },
{ 0 },
{ 0 },
{ 0 },
{ irqhandler }
};
static struct MachineDriver machine_driver_wc90 =
{
/* basic machine hardware */
{
{
CPU_Z80,
6000000, /* 6.0 Mhz ??? */
wc90_readmem1, wc90_writemem1,0,0,
interrupt,1
},
{
CPU_Z80,
6000000, /* 6.0 Mhz ??? */
wc90_readmem2, wc90_writemem2,0,0,
interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
4000000, /* 4 MHz ???? */
sound_readmem,sound_writemem,0,0,
ignore_interrupt,0 /* IRQs are triggered by the YM2203 */
/* NMIs are triggered by the main CPU */
}
},
60, DEFAULT_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* 1 CPU slice per frame - interleaving is forced when a sound command is written */
0,
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
gfxdecodeinfo,
4*16*16, 4*16*16,
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
wc90_vh_start,
wc90_vh_stop,
wc90_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_YM2203,
&ym2203_interface
}
}
};
ROM_START( wc90 )
ROM_REGION( 0x20000, REGION_CPU1 ) /* 128k for code */
ROM_LOAD( "ic87_01.bin", 0x00000, 0x08000, 0x4a1affbc ) /* c000-ffff is not used */
ROM_LOAD( "ic95_02.bin", 0x10000, 0x10000, 0x847d439c ) /* banked at f000-f7ff */
ROM_REGION( 0x20000, REGION_CPU2 ) /* 96k for code */ /* Second CPU */
ROM_LOAD( "ic67_04.bin", 0x00000, 0x10000, 0xdc6eaf00 ) /* c000-ffff is not used */
ROM_LOAD( "ic56_03.bin", 0x10000, 0x10000, 0x1ac02b3b ) /* banked at f000-f7ff */
ROM_REGION( 0x10000, REGION_CPU3 ) /* 64k for the audio CPU */
ROM_LOAD( "ic54_05.bin", 0x00000, 0x10000, 0x27c348b3 )
ROM_REGION( 0x010000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "ic85_07v.bin", 0x00000, 0x10000, 0xc5219426 ) /* characters */
ROM_REGION( 0x040000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "ic86_08v.bin", 0x00000, 0x20000, 0x8fa1a1ff ) /* tiles #1 */
ROM_LOAD( "ic90_09v.bin", 0x20000, 0x20000, 0x99f8841c ) /* tiles #2 */
ROM_REGION( 0x040000, REGION_GFX3 | REGIONFLAG_DISPOSE )
ROM_LOAD( "ic87_10v.bin", 0x00000, 0x20000, 0x8232093d ) /* tiles #3 */
ROM_LOAD( "ic91_11v.bin", 0x20000, 0x20000, 0x188d3789 ) /* tiles #4 */
ROM_REGION( 0x080000, REGION_GFX4 | REGIONFLAG_DISPOSE )
ROM_LOAD( "ic50_12v.bin", 0x00000, 0x20000, 0xda1fe922 ) /* sprites */
ROM_LOAD( "ic54_13v.bin", 0x20000, 0x20000, 0x9ad03c2c ) /* sprites */
ROM_LOAD( "ic60_14v.bin", 0x40000, 0x20000, 0x499dfb1b ) /* sprites */
ROM_LOAD( "ic65_15v.bin", 0x60000, 0x20000, 0xd8ea5c81 ) /* sprites */
ROM_REGION( 0x20000, REGION_SOUND1 ) /* 64k for ADPCM samples */
ROM_LOAD( "ic82_06.bin", 0x00000, 0x20000, 0x2fd692ed )
ROM_END
GAMEX( 1989, wc90, 0, wc90, wc90, 0, ROT0, "Tecmo", "World Cup 90", GAME_IMPERFECT_SOUND | GAME_NO_COCKTAIL )